Corrosion Inhibition of Carbon Steel in Hot Hydrochloric Acid Solutions

1-IotroductionRecentnumerousstudies{1~8]ontheinhibition0fcorrosionofcarbonsteelinacidicsoluti0nsatdifferenttemperaturesindicatethegrowinginterestinthissubject.Fromthestandpointofindustrialappli-cationsthecorrosi0nproblemwhichpr0ducedfr0mtheaggressivefiuids(e.g.HCl)isaveryimp0rtantproblemsinceitisusedf0rmanyprocessesaspick-lingandacidcleaning.Theinhibitionofcorrosi0nofsteelinacidicmediabydifferenttypes0f0rganiccompoundshasbeenwidely,t.di.d9~i4].Theexist-ingdatashowthatmostoforganicinhibit0rsa…